NY · Long Island

Stony Brook

1 closed sale, median $835,000, typically 25 days on market.

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ZIP code
11790
School district
Three Village
Typical property taxes
$16,085

a year, median of the homes for sale

Typical year built
1968

median of the homes for sale

School districts, taxes and year built describe the homes for sale in Stony Brook today; taxes and year built are medians. Data courtesy of OneKey MLS as distributed by MLS GRID as of September 25, 2026.

Overview

Stony Brook today

Homes for sale in Stony Brook today have a median asking price of $799,999. Three-bedroom homes are asking a median of $799,900, four-bedroom homes $774,500 and homes with five or more bedrooms $1,449,900.

Data courtesy of OneKey MLS as distributed by MLS GRID as of September 25, 2026. These are asking prices, not sold prices.

Mia Kaiser, a Licensed Real Estate Salesperson with Signature Premier Properties, has closed one sale in Stony Brook since 2024, at $835,000.

On the market today

Stony Brook market report

What sellers in Stony Brook are asking on September 25, 2026, and how the asking prices are spread. These are the homes on the market, not homes that have sold.

Median asking price
$799,999

Based on 23 listings.

Median days on the market
21

Half have been listed longer than this. Based on 23 listings.

Median asking price per square foot
$405

Based on the 22 of 23 listings that state a size.

New this week
22%

Came on the market in the past 7 days, 5 of 23 listings.

Asking prices, by band

  • Under $750,000
  • $750,000 to $800,000
  • $800,000 to $900,000
  • $900,000 and over

Bands are set from this town’s own quartiles, rounded. Based on 23 listings.

Median asking price, by bedrooms

3 bedrooms
$799,900

Based on 11 listings.

4 bedrooms
$774,500

Based on 6 listings.

5 or more bedrooms
$1,449,900

Based on 5 listings.

A bedroom count with fewer than three homes for sale is left out.

Every figure above is a median or a share of the asking prices of homes for sale in Stony Brook on September 25, 2026. Asking prices are what sellers want, not what homes have sold for. Data courtesy of OneKey MLS as distributed by MLS GRID as of September 25, 2026.

Common questions about Stony Brook real estate

How much do homes cost in Stony Brook right now?

The median asking price of homes for sale in Stony Brook on September 25, 2026 was $799,999. Half were priced between $750,000 and $913,500.

What kinds of homes are for sale in Stony Brook?

Of the homes for sale in Stony Brook on September 25, 2026, 96 percent were single family houses and 4 percent condominiums. The median home had 3 bedrooms and about 2,161 square feet.

What are property taxes like in Stony Brook?

The median annual property tax on homes for sale in Stony Brook on September 25, 2026 was $16,085. The median home was built in 1968.

What school district are homes in Stony Brook in?

Most homes for sale in Stony Brook on September 25, 2026 were in the Three Village school district.

How long have homes in Stony Brook been on the market?

Half of the homes for sale in Stony Brook on September 25, 2026 had been listed for 21 days or fewer, and 61 percent had come on the market in the past 30 days.

Answers are medians and shares of the homes for sale in Stony Brook on September 25, 2026. Data courtesy of OneKey MLS as distributed by MLS GRID as of September 25, 2026.

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